摘要:
Accessing PCI Regions PCI devices contain three addressable regions: configuration space, I/O ports, and device memory Configuration Space pci_read_config_[byte|word|dword](struct pci_dev *pdev, int o... 阅读全文
摘要:
Yo u c a n n o t s p e c i f y __GFP_HIGHMEM to either __get_free_pages() or kmalloc(). Because these both return a logical address, and not a page structure, it is possible that these functions woul... 阅读全文